260131236 has 48 divisors (see below), whose sum is σ = 619375680. Its totient is φ = 84949120.

The previous prime is 260131187. The next prime is 260131237. The reversal of 260131236 is 632131062.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (260131237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325990 + ... + 326786.

It is an arithmetic number, because the mean of its divisors is an integer number (12903660).

Almost surely, 2^260131236 is an apocalyptic number.

It is an amenable number.

260131236 is an abundant number, since it is smaller than the sum of its proper divisors (359244444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260131236 is a wasteful number, since it uses less digits than its factorization.

260131236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 260131236 is about 16128.5844388155. The cubic root of 260131236 is about 638.3577982762.

Adding to 260131236 its reverse (632131062), we get a palindrome (892262298).

The spelling of 260131236 in words is "two hundred sixty million, one hundred thirty-one thousand, two hundred thirty-six".